@import "index";
@import "list";
@import "course";
@import "broadcast";
p{
  margin: 0;
}
.hidden-xs {
  @media (max-width: 768px){
    display: none !important;
  }
}
.text-o{
  overflow:hidden; //超出的文本隐藏

  text-overflow:ellipsis; //溢出用省略号显示

  white-space:nowrap; //溢出不换行
}
.media__body {
  background: #000;
  bottom: 0;
  color: white;
  font-size: 1em;
  left: 0;
  opacity: 0;
  overflow: hidden;
  padding: 3.75em 3em;
  position: absolute;
  text-align: center;
  top: 0;
  right: 0;
  -webkit-transition: 0.6s;
  transition: 0.6s;
}
.media__body:hover {
  opacity: 0.4;
}
.media__body:after, .media__body:before {
  //border: 1px solid rgba(255, 255, 255, 0.7);
  bottom: 1em;
  content: '';
  left: 1em;
  opacity: 0;
  position: absolute;
  right: 1em;
  top: 1em;
  -webkit-transform: scale(1.5);
  transform: scale(1.5);
  -webkit-transition: 0.6s 0.2s;
  transition: 0.6s 0.2s;
}
.media__body:before {
  border-bottom: none;
  border-top: none;
  left: 2em;
  right: 2em;
}
.media__body:after {
  border-left: none;
  border-right: none;
  bottom: 2em;
  top: 2em;
}
.media__body:hover:after, .media__body:hover:before {
  -webkit-transform: scale(1);
  transform: scale(1);
  opacity: 1;
}

.media__body h2 {
  margin-top: 0;
}

.media__body p {
  margin-bottom: 1.5em;
}
.backToTop{
  display: none;
  height: 50px;
  width: 50px;
  position: fixed;
  padding-top: 8px;
  border-radius: 5px;
  right: 0px;
  z-index: 9999;
  background: #00BB9A;
  cursor: pointer;
  color: white;
  font-size: 20px;
  text-align: center;
}